Material
C/S = Carbon Steel
304 SS = Type 304 Stainless Steel
316 SS = Type 316 Stainless Steel
420 SS = Type 420 Stainless Steel
PHO = Phosphor Bronze
KM = K-Monel
Finish
PLN = Plain
CD1 = Cadmium & Clear Dichromate
CD2 = Cadmium & Yellow Dichromate
CD3 = Cadmium & Black Chromate
MZ1= Mechanical Zinc & Clear Dichromate
MZ2= Mechanical Zinc & Yellow Dichromate
ZN1 = Zinc & Clear Dichromate
ZN2 = Zinc & Yellow Dichromate
BKO = Black Oxide
PHO = Phosphate
HDG = Hot Dip Galvanized
MG = Mechanical Galvanized
Regular Helical Spring Split Lock Washer Dimension Drawing

DIN 127B

lw15-1-DIN_127B

Nominal
Washer
Size
Inside Diameter
A
Min.
Inside Diameter
A
Max.
Outside
Diameter
B
Width
C
Thickness
D
WCL
Product Number
M33.13.46.21.20.7M3 DIN 127B
M44.14.47.61.40.8M4 DIN 127B
M55.15.49.21.71.1M5 DIN 127B
M66.16.511.82.351.5M6 DIN 127B
M77.17.512.82.351.5M7 DIN 127B
M88.18.514.82.851.9M8 DIN 127B
M1010.210.718.13.32.05M10 DIN 127B
M1212.212.721.13.82.35M12 DIN 127B
M1414.214.724.14.32.85M14 DIN 127B
M1616.21727.44.83.3M16 DIN 127B
M1818.21929.44.83.3M18 DIN 127B
M2020.221.233.65.83.8M20 DIN 127B
M2222.523.535.95.83.8M22 DIN 127B
M2424.525.5406.754.8M24 DIN 127B
M3030.531.748.27.755.8M30 DIN 127B

Square Section DIN 7980

lw15-2-SQUARE_SECTION_DIN_7980

Nominal
Washer
Size
Inside Diameter
A
Min.
Inside Diameter
A
Max.
Outside
Diameter
B
Width
C
Thickness
D
WCL
Product Number
M66.16.59.71.41.4M6 DIN 7980
M88.28.612.81.91.9M8 DIN 7980
M1010.210.816.12.352.35M10 DIN 7980
M1212.21318.32.352.35M12 DIN 7980
M1414.21521.42.82.8M14 DIN 7980
M1616.217.224.63.33.3M16 DIN 7980
M1818.219.226.63.33.3M18 DIN 7980
M2020.221.230.64.34.3M20 DIN 7980
M2222.523.532.94.34.3M22 DIN 7980
M2424.525.535.94.84.8M24 DIN 7980
M3030.531.844.25.85.8M30 DIN 7980

Regular Section ASME B18.21.2M-1994

lw15-3-REGULAR_SECTION_ASME_B18.21.2M-19940

Nominal
Washer
Size
Inside Diameter
A
Min.
Inside Diameter
A
Max.
Outside
Diameter
B
Width
C
Thickness
D
WCL
Product Number
M2.52.552.74.941.020.64M2.5 R
M33.063.215.831.190.79M3 R
M3.53.583.766.351.190.79M3.5 R
M44.084.267.281.41.02M4 R
M55.085.268.661.571.19M5 R
M66.16.2912.082.771.57M6 R
M88.138.3614.963.181.98M8 R
M1010.1310.3817.833.582.39M10 R
M1212.1512.4521.474.343.18M12 R
M1414.214.524.394.783.58M14 R
M1616.2516.6327.535.163.96M16 R
M2020.2820.6633.265.944.78M20 R
M2424.324.8139.797.145.94M24 R
M3030.5131.2549.368.747.54M30 R
M3636.6137.558.7610.319.12M36 R

Heavy Section ASME B18.21.2M-1994

lw16-1-HEAVY_SECTION_ASME_B18.21.2M-1994

Nominal
Washer
Size
Inside Diameter
A
Min.
Inside Diameter
A
Max.
Outside
Diameter
B
Width
C
Thickness
D
WCL
Product Number
M2.52.552.75.291.190.79M2.5 HVY
M33.063.216.241.41.02M3 HVY
M3.53.583.766.761.41.02M3.5 HVY
M44.084.267.641.571.19M4 HVY
M55.085.269.071.781.42M5 HVY
M66.16.2912.122.791.96M6 HVY
M88.138.3615.223.32.46M8 HVY
M1010.1310.3818.033.682.92M10 HVY
M1212.1512.4521.734.473.84M12 HVY
M1414.214.524.644.94.32M14 HVY
M1616.2516.6327.885.334.8M16 HVY
M2020.2820.6633.776.25.74M20 HVY
M2424.324.8140.667.577.21M24 HVY
M3030.5131.2450.819.479.25M30 HVY
M3636.6137.560.611.2311.18M36 HVY